English Dictionary

category

IPA（発音記号）

/ˈkætəˌɡɔɹi/

名詞

A group, often named or numbered, to which items are assigned based on similarity or defined criteria.

日本語の意味

似た性質や特定の基準に基づいて、項目をまとめたグループ / 一定の属性や条件で分類された集まり

Please place each document into the category that best matches its subject.

各書類は、その主題に最も当てはまる分類に入れてください。

意味（1）

A group, often named or numbered, to which items are assigned based on similarity or defined criteria.

The traditional way of describing the similarities and differences between constituents is to say that they belong to categories of various types. Thus, words like boy, girl, man, woman, etc. are traditionally said to belong to the category of Nouns, whereas words like a, the, this, and that are traditionally said to belong to the category of Determiners.

意味（2）

(mathematics) A collection of objects, together with a transitively closed collection of composable arrows between them, such that every object has an identity arrow, and such that arrow composition is associative.

The use of the word ‘factor’ shows the explicit intention of categorists to work with functions in an algebraic manner: a category is an algebra of functions.

categories （ plural ）